220040124 has 12 divisors (see below), whose sum is σ = 513426984. Its totient is φ = 73346704.

The previous prime is 220040113. The next prime is 220040131. The reversal of 220040124 is 421040022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9168327 + ... + 9168350.

It is an arithmetic number, because the mean of its divisors is an integer number (42785582).

Almost surely, 2^220040124 is an apocalyptic number.

It is an amenable number.

220040124 is an abundant number, since it is smaller than the sum of its proper divisors (293386860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220040124 is a wasteful number, since it uses less digits than its factorization.

220040124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336684 (or 18336682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220040124 is about 14833.7494922895. The cubic root of 220040124 is about 603.7177715995.

Adding to 220040124 its reverse (421040022), we get a palindrome (641080146).

It can be divided in two parts, 2200 and 40124, that added together give a palindrome (42324).

The spelling of 220040124 in words is "two hundred twenty million, forty thousand, one hundred twenty-four".